Application of Derivatives 4 Question 15
16. Let be a polynomial of degree four having extreme values at and . If , then is equal to
(a) -8
(b) -4
(c) 0
(d) 4
Show Answer
Answer:
Correct Answer: 16. (c)
Solution:
- PLAN Any function have extreme values (maximum or minimum) at its critical points, where
.
Since, the function have extreme values at
Also, it is given that,
On solving Eqs. (i) and (ii),